LÓPEZ RUIZ, A. Use of flying ashes according to the recent Pittsburgh symposium. Materiales de Construcción, [S. l.], v. 17, n. 128, p. 21–42, 1967. DOI: 10.3989/mc.1967.v17.i128.1645. Disponível em: https://materconstrucc.revistas.csic.es/index.php/materconstrucc/article/view/1645. Acesso em: 20 apr. 2024.